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TECHNICAL PAPERS

A Volumetric Difference-based Adaptive Slicing and Deposition Method for Layered Manufacturing

[+] Author and Article Information
Y. Yang, J. Y. H. Fuh, H. T. Loh, Y. S. Wong

Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576

J. Manuf. Sci. Eng 125(3), 586-594 (Jul 23, 2003) (9 pages) doi:10.1115/1.1581887 History: Received October 01, 2001; Revised November 01, 2002; Online July 23, 2003
Copyright © 2003 by ASME
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References

Emmanuel,  S., Houser,  S. A., and Bohn,  J. H., 1996, “Adaptive Slicing Using Stepwise Refinement,” Rapid Prototyping J., 2(4), pp. 20–26.
Dolenc,  A., and Makela,  I., 1994, “Slicing Procedure for Layered Manufacturing Techniques,” Comput.-Aided Des., 26, pp. 119–126.
Kwan Lee, H., and Choi, Kwang-il, 1997, “An Adaptive Slicing method Using both Contour Lines and Vertical Character Lines,” Proceedings of 7th Europe Conference on Rapid Prototyping, The University of Nottingham, pp. 109–125.
Emmanuel,  S., Houser,  S. A., and Bohn,  J. H., 1997, “Accurate Exterior, Fast Interior Layered Manufacturing,” Rapid Prototyping J., 3(2), pp. 44–52.
Justin,  T., and Bohn,  J. H., 1998, “Local Adaptive Slicing.” Rapid Prototyping J., 4(3), pp. 118–127.
Mani,  K., Kulkarni,  P., and Dutta,  D., 1999, “Region-based Adaptive Slicing,” Comput.-Aided Des., 31(5), pp. 317–333.
Cormier,  D., Unnanon,  K., and Sanii,  E., 2000, “Specifying Non-uniform Cusp Height as a Potential Aid for Adaptive Slicing,” Rapid Prototyping J., 6(3), pp. 204–211.
Kulkani, P., and Dutta, D., 1995, “Adaptive Slicing for Parametrizable Surfaces for Layered Manufacturing,” Proceedings of ASME Design Automation Conference, Boston, MA, 17–20 September, pp. 211–217.
Jamieson,  R., and Hacker,  H., 1995, “Direct Slicing of CAD Models for Rapid Prototyping,” Rapid Prototyping J., 1(2), pp. 4–12.
Hope,  R. L., Roth,  R. N., and Jacobs,  P. A., 1997, “Adaptive Slicing with Sloping Layer Surfaces,” Rapid Prototyping J., 3(3), pp. 89–98.
de Jager,  P. J., Broek,  J. J., and Vergeest,  J. S. M., 1997, “A Comparison Between Zero and First Order Approximation for Layered Manufacturing,” Rapid Prototyping J., 3(4), pp. 144–149.
O’Rourke, J., 1994, Computational Geometry in C, Cambridge University Press, Cambridge.
SW System manual, 2000, Kinergy Pte. Ltd, Singapore.

Figures

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Evaluation of staircase by cusp height
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Cusp height and volumetric error
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(a). Relationship between cusp height and area difference; (b). two extreme cases when δ is near to 0° (solid line) and 90° (dashed line)
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Local difference between two adjacent layers
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Definition of difference volume (shaded area)
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Difference between two contours
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Difference types: (a) fragment (b) complex fragment (c) ring (d) complex ring
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Boolean algorithm between two polygons
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Identification of critical plane
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Path generation of difference
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Deposition strategy for regions of: (a) positive difference (b) negative difference
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(a) Conventional slicing and deposition method and (b) high-precision exterior, high-speed interior deposition method
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Example of a sliced part (a) model to be processed (b) result of volumetric-based adaptive slicing method

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